gstreamer/subprojects/gst-plugins-good/ext/qt6/gstqsg6material.h

75 lines
2.2 KiB
C++

/*
* GStreamer
* Copyright (C) 2023 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_QSG6_MATERIAL_H__
#define __GST_QSG6_MATERIAL_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
#include "gstqt6gl.h"
#include <QtQuick/QSGMaterial>
#include <QtQuick/QSGMaterialShader>
#include <QtGui/QOpenGLFunctions>
#include <QtQuick/QSGTexture>
class QRhi;
class QRhiResourceUpdateBatch;
class GstQSGMaterialShader;
class GstQSGMaterial : public QSGMaterial
{
protected:
GstQSGMaterial();
~GstQSGMaterial();
public:
static GstQSGMaterial *new_for_format (GstVideoFormat format);
void setCaps (GstCaps * caps);
gboolean setBuffer (GstBuffer * buffer);
GstBuffer * getBuffer (bool * was_bound);
bool compatibleWith(GstVideoInfo *v_info);
void setFiltering(QSGTexture::Filtering);
QSGTexture * bind(GstQSGMaterialShader *, QRhi *, QRhiResourceUpdateBatch *, guint binding, GstVideoFormat);
/* QSGMaterial */
QSGMaterialShader *createShader(QSGRendererInterface::RenderMode renderMode) const override;
struct {
int input_swizzle[4];
QMatrix4x4 color_matrix;
bool dirty;
} uniforms;
private:
GstBuffer * buffer_;
bool buffer_was_bound;
GWeakRef qt_context_ref_;
GstBuffer * sync_buffer_;
GstMemory * mem_;
GstVideoInfo v_info;
GstVideoFrame v_frame;
QSGTexture::Filtering m_filtering;
};
#endif /* __GST_QSG6_MATERIAL_H__ */